jQuery部分

复制代码 代码如下:

<script src="JS/jquery-1.8.3.js" type="text/javascript"></script>

<script type="text/javascript">

$(function () {

var elm = $('#pordAttr');

var startPos = $(elm).offset().top;

$.event.add(window, "scroll", function () {

var p = $(window).scrollTop();

$(elm).css('position', ((p) > startPos) ? 'fixed' : 'static');

$(elm).css('top', ((p) > startPos) ? '0px' : '');

});

});

</script>

HTML部分

复制代码 代码如下:

<div id="pordAttr">

<input type="text" value="奇异果" id="txtSearchImage" runat="server" />

<asp:Button ID="Button1" runat="server" Text="Button" />

</div>